sea·man /ˈsimən/
  船員,海員,海軍士兵
  Sea·man n.; pl. Seamen  A merman; the male of the mermaid. [R.] “Not to mention mermaids or seamen.”
  Sea·man n.; pl. Seamen   One whose occupation is to assist in the management of ships at sea; a mariner; a sailor; -- applied both to officers and common mariners, but especially to the latter. Opposed to landman, or landsman.
  Able seaman, a sailor who is practically conversant with all the duties of common seamanship.
  Ordinary seaman. See Ordinary.
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  seaman
       n 1: a man who serves as a sailor [syn: mariner, tar, Jack-tar,
             Jack, old salt, seafarer, gob, sea dog]
       2: muckraking United States journalist who exposed bad
          conditions in mental institutions (1867-1922) [syn: Elizabeth
          Seaman, Elizabeth Cochrane Seaman, Nellie Bly]